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Finding the Third Proportional to 299,918 and 650,676

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Solution

The third proportional to 299,918 and 650,676 is: 1,411,650.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,918 : 650,676 = 650,676 : x
  2. Step 2: Convert to fraction form
    299,918/650,676 = 650,676/x
  3. Step 3: Cross multiply
    299,918x = 650,676 × 650,676
  4. Step 4: Simplify right side
    299,918x = 423,379,256,976
  5. Step 5: Solve for x
    x = 423,379,256,976/299,918
  6. Step 6: Final answer
    x = 1,411,650.04

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.